88903-118

Number of Columns:	--
Voltage Rating:	--
Operating Temperature:	-55°C ~ 125°C
Material Flammability Rating:	UL94 V-0
Current Rating:	1A
Color:	Natural
Contact Finish Thickness:	30.0µin (0.76µm)
Contact Finish:	Gold
Features:	--
Contact Layout, Typical:	--
Termination:	Press-Fit
Mounting Type:	Through Hole
Series:	Metral®
Number of Rows:	5
Pitch:	0.079" (2.00mm)
Number of Positions Loaded:	All
Number of Positions:	60
Connector Style:	--
Connector Type:	Header, Male Pins
Connector Usage:	--
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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Background

Backplane Connectors are an important component in the development of modern high speed electronics, providing a key physical link between a wide variety of electronic cards and devices. Specialized backplane connectors such as the 88903-118 feature enhanced performance characteristics to meet the requirements of the most demanding applications, including those in military, aerospace, commercial, industrial, and medical.

88903-118 Application Field

The 88903-118 is a high speed/high power backplane connector designed for deployment in signal and power environments. It is specifically designed to meet the requirements of military and avionics equipment such as radar systems and military aircraft. It is also suitable for use in high speed/high power commercial applications such as high-definition television (HDTV) and consumer audio/video equipment. The 88903-118 is also applicable in industrial and medical applications, including imaging and medical-grade electronics.

88903-118 Working Principle

The 88903-118 utilizes a unique contact design to ensure reliable connection and data transmission in high-speed and high-power applications. It incorporates multi-finger contact strips which create an air gap to minimize crosstalk and insertion loss. The contacts have been designed to operate at frequencies of up to 1GHz with a signal bandwidth of up to 1000 MHz.The contacts are constructed using a corrosion-resistant, high-temperature, stainless steel or beryllium-copper alloy with a gold-plating on the contact surface. This combination has an electro-magnetic (EM) attenuation of up to 110 dB (decibels) and a very low signal reflection coefficient. The pins are prepared with a stainless steel overmold to ensure a secure retention and reliable connection in hostile environments.

Conclusion

The 88903-118 backplane connector provides a versatile solution for high speed/high power applications. It meets the requirements for military and avionics, commercial, industrial, and medical applications and provides superior data transmission in signal and power environments. Its unique contact design provides excellent EM attenuation and very low signal reflection. The stainless steel overmold ensures a secure and reliable connection in harsh environments.

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